Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1451

Operated by United Airlines

Live map

Live map filtered to UAL1451. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
01:52 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
320° / 10 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
15°C / 12°C
Altimeter
29.90 inHg

Obs: 2026-08-02T07:56:00.000Z

Raw METAR / TAF 
METAR KSFO 020756Z 32010KT 10SM CLR 15/12 A2990 RMK AO2 SLP124 T01500122 402330139 $

TAF KSFO 020520Z 0206/0312 29015KT P6SM FEW010 FM021200 29006KT P6SM SCT010 FM021800 29015KT P6SM SKC FM030500 29011KT P6SM SKC FM030900 29008KT 5SM BR SCT010

flight Live Traffic

flight_takeoff 116 Departures
flight_land 59 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
02:52 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
170° / 13G22 kt
Visibility
10 SM
Ceiling
FEW 22,000 ft
Temp / Dew
23°C / 11°C
Altimeter
30.15 inHg

Obs: 2026-08-02T07:53:00.000Z

Raw METAR / TAF 
METAR KDEN 020753Z 17013G22KT 10SM FEW220 23/11 A3015 RMK AO2 SLP112 T02330106

TAF KDEN 020540Z 0206/0312 18015G25KT P6SM SKC FM021200 21013KT P6SM FEW150 FM021400 24007KT P6SM FEW150 FM021700 VRB06KT P6SM FEW150 FM022000 07007KT P6SM FEW150 SCT180 FM022200 12009KT P6SM FEW150 SCT180 FM030200 15013KT P6SM FEW150 SCT180 FM030400 18014G25KT P6SM FEW150 FM031000 21012KT P6SM FEW150

flight Live Traffic

flight_takeoff 82 Departures
flight_land 67 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AB741E SFO → DEN Jul 26, 16:40 UTCJul 26, 19:35 UTC2h 55m - -
2026-07-25 AC121A SFO → DEN Jul 25, 16:26 UTCJul 25, 19:34 UTC3h 8m +21m -4m
2026-07-25 AC121A SFO → DEN Jul 25, 16:35 UTCJul 25, 19:35 UTC3h 0m - -
2026-07-24 AC0AAC SFO → DEN Jul 24, 16:35 UTCJul 24, 19:50 UTC3h 15m - -
2026-07-23 AC15D1 SFO → DEN Jul 23, 17:01 UTCJul 23, 19:40 UTC2h 39m +56m -19m
2026-07-23 AC15D1 SFO → DEN Jul 23, 16:45 UTCJul 23, 19:45 UTC3h 0m - -
2026-07-20 AB5A1D SFO → DEN Jul 20, 16:26 UTCJul 20, 19:21 UTC2h 55m +21m -2m
2026-07-20 AB5A1D SFO → DEN Jul 20, 16:30 UTCJul 20, 19:30 UTC3h 0m - -
2026-07-19 AB5056 - Jul 19, 16:25 UTCJul 19, 19:30 UTC3h 5m - -
2026-07-18 AB890A - Jul 18, 17:05 UTCJul 18, 20:05 UTC3h 0m - -
2026-07-17 AAFDA1 - Jul 17, 18:10 UTCJul 17, 21:10 UTC3h 0m - -
2026-07-16 AB28D7 - Jul 16, 18:25 UTCJul 16, 19:40 UTC1h 15m - -
2026-07-16 AB28D7 - Jul 16, 16:30 UTCJul 16, 18:19 UTC1h 50m - -
2026-07-13 A609D4 DEN → JAX Jul 13, 16:56 UTCJul 13, 19:52 UTC2h 56m +51m -10m
2026-07-13 A609D4 - Jul 13, 16:55 UTCJul 13, 19:55 UTC3h 0m - -
2026-07-12 AB7067 - Jul 12, 16:20 UTCJul 12, 19:15 UTC2h 55m - -
2026-07-11 AB3DC3 - Jul 11, 16:45 UTCJul 11, 19:35 UTC2h 50m - -
2026-07-10 AB8553 DEN → JAX Jul 10, 16:26 UTCJul 10, 19:43 UTC3h 17m +21m -14m
2026-07-10 AB8553 - Jul 10, 16:50 UTCJul 10, 19:45 UTC2h 55m - -
2026-07-09 ABFBD0 - Jul 9, 16:45 UTCJul 9, 19:45 UTC3h 0m - -
2026-07-06 AC4107 - Jul 6, 16:20 UTCJul 6, 19:25 UTC3h 5m - -
2026-07-05 AB5A1D DEN → JAX Jul 5, 17:16 UTCJul 5, 20:04 UTC2h 48m +71m -14m
2026-07-05 AB5A1D - Jul 5, 17:10 UTCJul 5, 20:05 UTC2h 55m - -
2026-07-04 A5D1B9 - Jul 4, 17:30 UTCJul 4, 20:30 UTC3h 0m - -
2026-07-03 AC033E - Jul 3, 16:30 UTCJul 3, 19:35 UTC3h 5m - -
2026-07-02 AC2706 - Jul 2, 16:25 UTCJul 2, 19:25 UTC3h 0m - -
2026-06-29 A5D570 - Jun 29, 16:29 UTCJun 29, 19:24 UTC2h 55m - -
2026-06-28 ABB089 DEN → JAX Jun 28, 16:26 UTCJun 28, 19:44 UTC3h 18m +21m -35m
2026-06-28 ABB089 - Jun 28, 16:55 UTCJun 28, 19:44 UTC2h 50m - -
2026-06-27 AB2169 DEN → JAX Jun 27, 17:26 UTCJun 27, 20:34 UTC3h 8m +81m -12m

Performance history

Flights tracked
140 showing last 30
Avg arrival delay
-14m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 26
June 2026 30
May 2026 36
April 2026 48

UAL1451 frequently asked

Where does flight UAL1451 fly?
UAL1451 (United Airlines) flies from SFO to DEN. View the full route page.
How long is flight UAL1451?
Based on observed flights, UAL1451 takes on average 2h 54m from takeoff to landing.
How often does UAL1451 fly?
UAL1451 has been observed flying several times a week in our tracking data. We've recorded 140 flights under this callsign.
Is flight UAL1451 usually on time?
Across recent flights, UAL1451 arrives 14 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1451?
UAL1451 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1451 live?
Yes. When UAL1451 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.